function showBar(param1, param2, param3, param4) {
//	var colors = ['#2266a4','#7cd1f4', '#00b2d9','#f3ff3b'];
	//渐变
//	Highcharts.getOptions().colors = Highcharts.map(colors, function(color) {
//		return {
//			linearGradient: {
//				x1: 0,
//				x2: 0,
//				y1: 0,
//				y2: 0 //结束Y轴，基准是1，即100%高度
//			},
//			stops: [
//				[0, color],
//				[1, Highcharts.Color(color).brighten(-20).get('rgb')] // darken 
//			]
//		};
//	});
	$('.chart-column').highcharts({
		chart: {
			type: 'bar',
			backgroundColor: null
		},
//		colors:['#2266a4','#7cd1f4', '#00b2d9','#f3ff3b'],
		title: {
			text: null
		},
		credits: {
			enabled: false
		},
		subtitle: {
			text: null
		},
		legend: {
			enabled: false
		},
		xAxis: {
			categories: ['风管机', '家用中央空调', '新风机', '智能中央设备'],
			gridLineWidth: 0,
			tickWidth: 0,
			lineWidth: 0,
			crosshair: {
				width: 0
			},
			labels: {
				align:'right',
				style: {
					color: '#ffffff',
					fontSize: 20
				}
			},
			showEmpty: true
		},
		yAxis: {
			min: 0,
			title: {
				text: null,
				enabled: false
			},
			gridLineWidth: 0,
			enabled: false,
			lineWidth: 0,
			labels: {
				style: {
					color: '#fff',
					fontSize: 10
				}
			},
//			offset: 70,
			visible: false
		},
		tooltip: {
			headerFormat: '<span style="font-size:10px">{point.key}</span>',
			pointFormat: ':{point.y}',
			footerFormat: '',
			shared: false,
			useHTML: true,
			enabled: false
		},
		plotOptions: {
			bar: {
				pointPadding: 0.2,
				borderWidth: 0,
				pointWidth: 10
			},
			series: {
				colorByPoint: true,
				dataLabels: {
					enabled: true,
					format: '<span style="font-size:14px;color:#ffffff;">{y}</span>',
					style: {
						textOutline: "0px 0x contrast"
					}
				}
			}
		},
		series: [{
				data: [param1, param2, param3, param4]
			}]
			//		series: [{
			//				name: 'haha',
			//				data: [4, 4, 4, 4]
			//			}]
			//		series: [{
			//			data: [{
			//				color: "#E6C41D",
			//				y: param1
			//			}, {
			//				color: "#F68A37",
			//				y: param2
			//			}, {
			//				color: "#13CB33",
			//				y: param3
			//			}, {
			//				color: "#BDAEC8",
			//				y: param4
			//			}]
			//		}]
	});
}